Seiko Cal. 3816 - 104

This Automatic model from 1986 features a 42mm Stainless Steel case. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-374a1fe0ff9f]

Also known as: Monster, Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1986

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